i dont know about other cities. I know about 2 in lahore,
one in Mozung lahore on Baigum road, the guys owns about 5 Rolls Royace in different colors and many other cars, and red ferrari I guess from 90's.
the second one again in I know owned by guy who run a business near Allied Bank, Liberty Market, Lahore and you can spot the car in front of the bank oftenly.
this is my information about 8 years back cause I moved to uk afterwards.
reportedly
Zulfiqar Magsi -ex CM of blochistan has 2 Astin Martins